4 files changed, 5 insertions, 5 deletions
diff --git a/Userland/Applications/PDFViewer/PDFViewer.cpp b/Userland/Applications/PDFViewer/PDFViewer.cpp
index a5fc4bb67d..57ff4ab869 100644
--- a/Userland/Applications/PDFViewer/PDFViewer.cpp
+++ b/Userland/Applications/PDFViewer/PDFViewer.cpp
@@ -95,7 +95,7 @@ void PDFViewer::mousewheel_event(GUI::MouseEvent& event)
                     scrollbar.set_value(0);
                 }
             } else {
-                scrollbar.set_value(scrollbar.value() + 20);
+                scrollbar.increase_slider_by(20);
             }
         } else {
             if (scrollbar.value() == 0) {
diff --git a/Userland/Applications/Piano/RollWidget.cpp b/Userland/Applications/Piano/RollWidget.cpp
index d2c6312dbd..915da0e294 100644
--- a/Userland/Applications/Piano/RollWidget.cpp
+++ b/Userland/Applications/Piano/RollWidget.cpp
@@ -239,7 +239,7 @@ void RollWidget::mouseup_event([[maybe_unused]] GUI::MouseEvent& event)
 void RollWidget::mousewheel_event(GUI::MouseEvent& event)
 {
     if (event.modifiers() & KeyModifier::Mod_Shift) {
-        horizontal_scrollbar().set_value(horizontal_scrollbar().value() + (event.wheel_delta() * horizontal_scroll_sensitivity));
+        horizontal_scrollbar().increase_slider_by(event.wheel_delta() * horizontal_scroll_sensitivity);
         return;
     }
 
diff --git a/Userland/Applications/PixelPaint/LayerListWidget.cpp b/Userland/Applications/PixelPaint/LayerListWidget.cpp
index 3414c57c7a..0a4b4f92cb 100644
--- a/Userland/Applications/PixelPaint/LayerListWidget.cpp
+++ b/Userland/Applications/PixelPaint/LayerListWidget.cpp
@@ -248,7 +248,7 @@ void LayerListWidget::on_automatic_scrolling_timer_fired()
     if (vertical_scrollbar().is_max() && m_automatic_scroll_delta.y() > 0)
         return;
 
-    vertical_scrollbar().set_value(vertical_scrollbar().value() + m_automatic_scroll_delta.y());
+    vertical_scrollbar().increase_slider_by(m_automatic_scroll_delta.y());
     gadget.movement_delta.set_y(gadget.movement_delta.y() + m_automatic_scroll_delta.y());
 
     auto inner_rect_max_height = widget_inner_rect().height() - 2 + vertical_scrollbar().max();
diff --git a/Userland/Applications/PixelPaint/Tools/Tool.cpp b/Userland/Applications/PixelPaint/Tools/Tool.cpp
index d1e6f9f6b2..1165f11d74 100644
--- a/Userland/Applications/PixelPaint/Tools/Tool.cpp
+++ b/Userland/Applications/PixelPaint/Tools/Tool.cpp
@@ -38,7 +38,7 @@ void Tool::on_keydown(GUI::KeyEvent& event)
         break;
     case KeyCode::Key_RightBracket:
         if (m_primary_slider)
-            m_primary_slider->set_value(m_primary_slider->value() + 1);
+            m_primary_slider->increase_slider_by(1);
         break;
     case KeyCode::Key_LeftBrace:
         if (m_secondary_slider)
@@ -46,7 +46,7 @@ void Tool::on_keydown(GUI::KeyEvent& event)
         break;
     case KeyCode::Key_RightBrace:
         if (m_secondary_slider)
-            m_secondary_slider->set_value(m_secondary_slider->value() + 1);
+            m_secondary_slider->increase_slider_by(1);
         break;
     default:
         break;